Sharp UP-3300 Service Manual page 23

CHAPTER 4. PROGRAM RESET
and SRV mode
In the UP-3300, the following reset switch (location No: S1) is used to
switch to the service (SRV) mode and to reset.
NOTE: Do not turn on the MRS switch with the main power
supply switch turned ON;
Otherwise data might be destroyed.
PROGRAM RESET
Used to return the machine back to its operation state after a lock up
has occured.
PROCEDURE
1) Turn off the AC switch.
2) Set the reset switch to "ON" position.
3) Turn on the AC switch.
4) Set the reset switch to "OFF" position.
5) The reset menu windowis displayed as shown below.
DISPLAY:
Please select
PROGRAM RESET
Touch the [PROGRAM RESET] key.
6) PROGRAM RESET is started.
MASTER RESET
7) After completion of the program reset, the SRV mode is displayed
as shown below.
DISPLAY:
4 – 1
[SRV mode screen]